Read-only sequence controller

Details Read-only sequence controller Read-only sequence controller

1985-01-14

1987-04-14

Harkcom, Gary V.

Boots, shoes, and leggings

364143, 364147, G06F 1546

Patent

active

046583475

ABSTRACT:
A read-only sequence controller comprises a control unit and an output relay unit detachably attached to the control unit and having an erasable programmable read only memory or EPROM and a plurality of relays responsive to data output of the EPROM for controlling a machine. The control unit produces outputs for addressing the EPROM for operating the machine.

REFERENCES:
patent: 3875564 (1975-04-01), Thuruoka et al.
patent: 4253141 (1981-02-01), Suzuki et al.
patent: 4409649 (1983-10-01), Heeger
patent: 4432047 (1984-02-01), Okayama
patent: 4486832 (1984-12-01), Haubner et al.
patent: 4504900 (1985-03-01), Yomogida et al.
patent: 4542452 (1985-09-01), Fukai et al.
patent: 4567556 (1986-01-01), Onogi et al.

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